Inaba Masayasu (稲葉 正休, 1640 – October 7, 1684) was a Japanese hatamoto and daimyō (feudal lord) of Aono han in Mino Province in Edo period Japan. Masayasu's family was descended from . Masayasu was the son of hatamoto , from whom he inherited the 5000 koku territory of Aono han in 1656. He served as a page and clerk for some time, before being summoned by the shogunate to oversee irrigation projects in the provinces of Kawachi and Settsu. For this, he was awarded the post of wakadoshiyori in 1682, and had his lands expanded to 12,000 koku. Masayasu visited Kyoto as part of a formal inspection in 1683. In this period, Masayasu's cousin, Inaba Masamichi, held the powerful and highly trusted position of Kyoto shoshidai.